CVE-2026-105716: Microsoft Office Access Remote Code Execution Vulnerability
Published Oct 13, 2026
·Updated
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Other sources
Microsoft Office Access Remote Code Execution Vulnerability
— Microsoft
Affected Software
11 affected componentsFixes available
Microsoft Office Access
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Office 2021
Microsoft Office 2021
Microsoft Office 2024
Microsoft Office 2024
Microsoft Office LTSC 2024<16.0.17932.21056
16.0.17932.21056
Microsoft Office LTSC 2024<16.0.17932.21056
16.0.17932.21056
Microsoft Office LTSC 2021<16.0.14334.20974
16.0.14334.20974
Microsoft Office LTSC 2021<16.0.14334.20974
16.0.14334.20974
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.21056 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20974
Event History
Oct 13, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·06:59 PM
Data Sourced
via MITRE·06:59 PM
DescriptionSeverity
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Which installations should be reviewed for exposure?
Review systems running Microsoft 365 Apps for Enterprise, Microsoft Office Access, or Microsoft Office LTSC 2021 or 2024 in either 32-bit or 64-bit editions.
2
Does exploitation require an attacker to have an account or prior privileges?
No. The vulnerability is rated PR:N and is described as exploitable by an unauthorized attacker.
3
Is user interaction required for exploitation?
Yes. The CVSS vector includes UI:R, indicating that user interaction is required.